Mention other hardware in microcontroller module

Author: tekktrik

shared-bindings/microcontroller/__init__.c

@@ -43,8 +43,9 @@
 
 //| """Pin references and cpu functionality
 //|
-//| The `microcontroller` module defines the pins from the perspective of the
-//| microcontroller. See :py:mod:`board` for board-specific pin mappings."""
+//| The `microcontroller` module defines the pins and other bare-metal hardware
+//| from the perspective of the microcontroller. See :py:mod:`board` for
+//| board-specific pin mappings."""
 //|
 //| from nvm import ByteArray
 //| from watchdog import WatchDogTimer